Dell DPND-523-EN12 - Manual (Page 29)

Enable firewall ports | 29
Setup Guide
If you have a corporate firewall that could impede Network Discovery, configure
the corporate firewall to allow ICMP (ping) to pass through, and enable the
following ports:
Used for Port Note From To
Echo Reply 0/icmp device Peregrine appliance
Error Messages 3/icmp device Peregrine appliance
Echo Request 8/icmp Peregrine appliance device
TTL Timeout 11/icmp 5 Peregrine appliance device
device Peregrine appliance
Netmask Request 17/icmp Peregrine appliance device
Netmask Reply 18/icmp device Peregrine appliance
Secure Shell (SSH) 22/tcp Peregrine Systems
Customer Support
Peregrine appliance
Telnet 23/tcp 1 Peregrine appliance device
1 management workstation device
SMTP 25/tcp Peregrine appliance SMTP server
DNS 53/udp Peregrine appliance DNS server
HTTP 80/tcp management workstation Peregrine appliance
1 management workstation device
1 Peregrine appliance device
2 Peregrine appliance aggregated Peregrine
appliance
NTP (network time) 123/udp Peregrine appliance NTP server
NetBIOS-n (name
server) 137/udp Peregrine appliance device
NetBIOS-dgm
(datagram) 138/udp management workstation Peregrine appliance
NetBIOS-ssn
(session—file and
printer sharing) 139/tcp management workstation Peregrine appliance
SNMP 161/udp Peregrine appliance device